Topband: Anyone purchased the ARRL book on Short Antennas for160???

[Joe Subich, W4TV]

> I have yet to hear about a ham who had 120 buried bare radials
> underneath his two raised radials.

ON4UN's original 80 meter wire 4-square hug around his 160 meter
tower came close to that description.  The 4 square had a single
elevated radial for each 80 meter element but they were all over
some 100+ radials for 160 meters - most at least 1/4 wave long.

73,

    ... Joe, W4TV


On 1/21/2014 11:32 PM, Guy Olinger K2AV wrote:
> On Tue, Jan 21, 2014 at 10:40 PM, Charlie Cunningham <
> charlie-cunningham at nc.rr.com> wrote:
>
>> There's been a lot of work done in the broadcast
>> industry using elevated radials to replace deteriorated buried radial
>> fields
>> that shows that pretty clearly. It was published in some IEEE transactions
>> some years ago.
>>
>
> Be careful not to extrapolate very specifically qualified broadcast
> experience into ham radio. Originally FCC spec radials still make the close
> foreground earth appear VERY conductive, which is NOT an advantage one will
> have putting up two or four radials over plain old dirt, unless one is
> talking about midwest USA 30 millisiemen super dirt.
>
> I have yet to hear about a ham who had 120 buried bare radials underneath
> his two raised radials.  A ham is talking about two or four raised over
> plain dirt. Two or four over ugly North Carolina 2 millisiemen will be
> down, though one will need comparison RBN plots watching an entire 160
> contest to see it. It's not so far down though that you won't work happy DX
> with it, but there is a power loss.
>
> 73, Guy.
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